Display screen or portion thereof with an animated graphical user interface



FIG. 1 is a first image in a sequence for a first embodiment of a display screen or portion thereof with an animated graphical user interface;

FIG. 2 is a second image thereof;

FIG. 3 is a third image thereof;

FIG. 4 is a fourth image thereof;

FIG. 5 is a fifth image thereof;

FIG. 6 is a sixth image thereof; and

FIG. 7 is a seventh image thereof.

FIG. 8 is a first image in a sequence for a second embodiment of a display screen or portion thereof with an animated graphical user interface;

FIG. 9 is a second image thereof;

FIG. 10 is a third image thereof;

FIG. 11 is a fourth image thereof;

FIG. 12 is a fifth image thereof;

FIG. 13 is a sixth image thereof; and,

FIG. 14 is a seventh image thereof.

The appearance of the animated graphical user interface sequentially transitions between the images shown in FIGS. 1-7 according to the first embodiment, and the images shown in FIGS. 8-14 according to the second embodiment.

The process or period in which one image transitions to another forms no part of the claimed design.

The broken line showing of the display screen portion is included for the purpose of illustrating portions of the article and forms no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with an animated graphical user interface, as shown and described. 